.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
  background: #ffffff;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
}

.site-brand {
  font-weight: 700;
  color: var(--ds-blue-dark);
  text-decoration: none;
}

.site-nav {
  display: flex;
  list-style: none;
  gap: 0.75rem;
  padding: 0;
  margin: 0;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.5rem;
  padding: 0 1rem;
  border-radius: 0.75rem;
  background: rgba(6, 66, 112, 0.88);
  border: 1px solid rgba(6, 66, 112, 0.92);
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: var(--ds-blue-dark);
  border-color: var(--ds-blue-dark);
}

.site-nav a.active {
  box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.18);
}

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding: 1rem 0;
  color: var(--muted);
  background: #ffffff;
}

.contact-form {
  margin-top: 1.1rem;
  max-width: 48.5rem;
  display: grid;
  gap: 0.9rem;
}

.contact-form .field {
  display: grid;
  gap: 0.35rem;
}

.contact-form label {
  display: block;
  font-weight: 600;
  line-height: 1.2;
}

.contact-form input,
.contact-form textarea {
  display: block;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 0.75rem 0.875rem;
  color: var(--text);
  background-color: rgba(255, 255, 255, 0.35);
  font: inherit;
}

.contact-form input {
  min-height: 3.35rem;
}

.contact-form textarea {
  min-height: 11rem;
  resize: vertical;
}

.contact-form button {
  width: fit-content;
  background: var(--ds-blue);
  color: #ffffff;
  border: 1px solid var(--ds-blue);
  border-radius: 0.75rem;
  cursor: pointer;
  margin-top: 0.65rem;
  padding: 0.7rem 1.3rem;
  font-weight: 600;
  line-height: 1.2;
}

.contact-form button:hover,
.contact-form button:focus-visible {
  background: var(--ds-blue-dark);
  border-color: var(--ds-blue-dark);
}

.form-note {
  margin: 0;
  color: #4f7392;
}
